"Welcome / Owl" Doormat by Castle Mats, Size 18 x 30 inches, Non-Slip, Durable, Made Using Odor-Free Natural Fibers GREAT FOR INDOOR AND OUTDOOR USE: This 18 x 30 inch doormat, 1/2 inch thick, contains a waterproof rubber backing that is gentle on indoor flooring, while its weather-resistant fiber top is great for outside use TRAPS DIRT & MUD: The top is layered with coarse fibers, which quickly absorbs water and dirt from wet shoes. The rubber backing protects floors from water damage ANTI-BACTERIAL, EASY TO CLEAN: Odor-free natural fibers quickly dry and resist buildup of mold and mildew. Shake, vacuum, or wash with a garden hose to remove dirt NON-SLIP SURFACE: The nonskid rubber backing ensures your doormat stays firmly in place on the floor. Durable coconut fibers act as ideal natural material for scraping your boots. The doormat has low clearance and can comfortably fit under standard sized doors. CUSTOMER SATISFACTION GUARANTEE: All Castle Mats products come with our customer satisfaction guarantee! No Questions asked.